Sleeping bag



FIG. 1 is a top perspective view of a sleeping bag, showing our new design in the fully closed configuration;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a perspective view of the sleeping bag shown in the fully open configuration;

FIG. 9 is a top plan view thereof;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a left side elevational view thereof;

FIG. 12 is a right side elevational view thereof;

FIG. 13 is a front elevational view thereof; and,

FIG. 14 is a rear elevational view thereof.

The broken lines representing stitching form no part of the claimed design. 

The ornamental design for a sleeping bag, as shown and described. 